Honda CR-V: Emissions Controls

The burning of gasoline in your vehicle’s engine produces several byproducts.

Some of these are carbon monoxide (CO), oxides of nitrogen (NOx), and hydrocarbons (HC).

Gasoline evaporating from the tank also produces hydrocarbons. Controlling the production of NOx, CO, and HC is important to the environment.

Under certain conditions of sunlight and climate, NOx and HC react to form photochemical ‘‘smog.’’ Carbon monoxide does not contribute to smog creation, but it is a poisonous gas.

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 The Clean Air Act

The United States Clean Air Act* sets standards for automobile emissions. It also requires that automobile manufacturers explain to owners how their emissions controls work and what to do to

 Crankcase Emissions Control System

Your vehicle has a positive crankcase ventilation system. This keeps gasses that build up in the engine’s crankcase from going into the atmosphere. The positive crankcase ventilation valve

 Evaporative Emissions Control System

As gasoline evaporates in the fuel tank, an evaporative emissions control canister filled with charcoal adsorbs the vapor. It is stored in this canister while the engine is off. After the en

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 Crankshaft and Piston Removal

1. Remove the engine assembly. 2. Remove the transmission. 3. Remove the drive plate. 4. Remove the oil pan. 5. Remove the oil pump. 6. Remove the cylinder head. 7. Remove the baffle plates. 8. Remove the 8 mm bolts. 9. Remove the bearing cap bolts. To prevent warpage, unscrew the bolts in s

 Additional Safety Precautions

Never let passengers ride in the cargo area or on top of a foldeddown back seat. If they do, they could be very seriously injured in a crash. Passengers should not stand up or change seats while the vehicle is moving. A passenger who is not wearing a seat belt during a crash or emerge

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